Definitions of flue

  1. To expand or splay, as the jambs of a window.
  2. An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage
  3. A compartment or division of a chimney for conveying flame and smoke to the outer air.
  4. A passage way for conducting a current of fresh, foul, or heated air from one place to another.
  5. Light down, such as rises from cotton, fur, etc.; very fine lint or hair.
  6. In an organ flue pipe, the opening between the lower lip and the languet.
  7. A pipe or passage for conveying flame and hot gases through surrounding water in a boiler; - distinguished from a tube which holds water and is surrounded by fire. Small flues are called fire tubes or simply tubes.
  8. A pipe or passage to convey away smoke, hot air, etc.
  9. A passage for smoke in a chimney, leading from the fireplace to the top of the chimney, or into another passage; a pipe or tube for conveying heat to water in certain kinds of steam boilers; a passage in a wall for the purpose of conducting heat from one part of a building to another.
  10. Soft down or fur; very fine hair; flew.
  11. A money of account of Morocco of the value of 1- 12 of a cent.
  12. Chimney or channel for carrying off smoke or gas.
  13. A channel or passage for smoke, air, or gas from a fire; a chimney.
  14. A passage or pipe for conveying away smoke, or conveying heat. See Flute.
  15. Soft down, fur, or hair; stuff.
  16. A small chimney leading into a larger; a passage for conveying smoke and flame from a fire; a tube or shaft for conveying heat, & c.